Chemicals Standards W
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WS - Standard Plate Count, Hydration Buffer included
NSI Lab SolutionsOne stabilized Microgel-Flash™ pellet containing a heterotrophic bacteria at 5-500mpn/cfu per mL. Sterile hydration buffer included. Supplied in duplicate so 2 analysts or 2 methods can be evaluated without purchasing addition samples.
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WS - Fluoride, NELAC range 1-8 mg/L, 125 mL
NSI Lab SolutionsA 125 mL whole volume sample for determination of Fluoride. Formulated in the NELAC range of 1 - 8 mg/L. (Supplied in duplicate)
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WS - Regulated VOCs, Methods 502.1/502.2/524.2
NSI Lab SolutionsA 1.5 mL concentrate in Methanol for use with Methods 502.1/502.2/524.2. (Supplied in duplicate)
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Universal Wastewater Standard
NSI Lab SolutionsDesigned to reduce the number of standards you need to manage your lab, our Universal Wastewater Standard is certified for 13 conventional pollutants. In ready-to-use bottles.
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WS - Regulated SOCs, Methods 506/625/550
NSI Lab SolutionsA 1.5 mL concentrate in Acetone for use with Methods 506/525/550. (Supplied in duplicate)
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WS - Perchlorate - Whole Volume, range 4.0-20 ug/L, 500 mL
NSI Lab SolutionsA 500 mL whole volume sample for determination of Perchlorate in an aqueous mixed common anion matrix with conductivity at 500 umhos/cm. Formulated in the range of 4.0 - 20 ug/L. (Supplied in duplicate)
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WS - Vanadium, CA-ELAP range 5-50 ug/L
NSI Lab SolutionsA 21 mL concentrate for determination of Vanadium. Formulated in the CA-ELAP range of 5 -5 50 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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Designed for use with all MPN and MF procedures. Sample supplied as a dehydrated Microgel-Flash ™ pellet in the range of 20 - 1000 CFU/MPN per 100 mL. Sterile hydration buffer included. Store in freezer. Supplied in duplicate so that you may evaluate 2
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One stabilized Microgel-Flash™ pellet in the range of 20-200 CFU per 100 mL designed for LT2 Enhanced Surface Water Treatment Rule. Evaluated for E.coli, Fecal Coliform and Total Coliform. Applicable for all SDWA quantitative methods. Sterile hydration
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WS - Residual Free Chlorine, NELAC range 0.5-3.0 mg/L, 2.2 mL
NSI Lab SolutionsA 2.2 mL concentrate for determination of Residual Free Chlorine and Total Residual Chlorine. Formulated in the NELAC range of 0.5 - 3.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - MBAs, NELAC range 0.1-1.0 mg/L, 10.5 mL
NSI Lab SolutionsA 10.5 mL concentrate for determination of LAS as MBAs. Formulated in the NELAC range of 0.1 - 1.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - Perchlorate, NELAC range 4.0-20 ug/L, 5.0 mL
NSI Lab SolutionsA 5.0 mL concentrate for determination of Perchlorate. Formulated in the NELAC range of 4.0 - 20 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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Assurance® Grade Alternate Metals
SPEX CertiPrepAssurance® Mixed Multi-Element Standards for AA & ICP Standards may be diluted in the same matrix as specified; however, caution must be exercised in the choice of the source for your diluents. Diluting the matrix may cause some standards to precipitate. Also, an impure or unknown diluent turns…
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WS - Oxygenates, range of 5-50 ug/L, 1.5 mL
NSI Lab SolutionsA 1.5 mL concentrate in P/T Methanol for determination of ETBE, TAME, DIPE, trichlorotrifluoroethane, 1-Phenylpropane, and tert-Butyl alcohol. Formulated in the range of 5 - 50 ug/L. (Supplied in duplicate)
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WS - Hardness, 250 mL
NSI Lab SolutionsA 250 mL whole volume sample for determination of Total Hardness, Calcium, Sodium, Magnesium, Calcium Hardness. (Supplied in duplicate)
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WS - Inorganic Disinfection By-Products, 5 mL
NSI Lab SolutionsA 2 x 5 mL concentrate set for determination of Bromate, Bromide, Chlorate, Chlorite. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - pH, NELAC range 5.0-10 units, 250 mL
NSI Lab SolutionsA 250 mL whole volume sample for determination of pH without dilution. Formulated in the NELAC range of 5.0 - 10 units. (Supplied in duplicate)
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WS - Silica, NELAC range 5.0-75 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for dilution to 1 liter for determination of Silica. Formulated in the NELAC range of 5.0 - 75 mg/L. Each vial produces 2 liters of sample. (Supplied in duplicate)
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WS - Organic Disinfection By-Products, 1.5 mL
NSI Lab SolutionsA 1.5 mL concentrate in MTBE (Supplied in duplicate)
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WS - Orthophosphate, NELAC 0.5-5.5 mg/L, 21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of Orthophosphate. Formulated in the NELAC range of 0.5 - 5.5 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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WS - UV254 Absorbance, NELAC range 0.05-0.7 cm^(-1),21 mL
NSI Lab SolutionsA 21 mL concentrate for determination of UV254 absorbance. Formulated in the NELAC range of 0.05 - 0.7 cm(-1). (Supplied in duplicate)